1. NAME▲
on_ac_power - test whether computer is running on AC power
2. SYNOPSIS ▲
on_ac_power
3. DESCRIPTION ▲
on_ac_power checks whether the system is running on AC power (i.e., mains power) as opposed to battery power.
4. OPTIONS ▲
None.
5. EXIT STATUS ▲
0 (true) System is on mains power
1 (false) System is not on mains power
255 (false) Power status could not be determined6. FILES▲
/proc/apm APM status information file /proc/acpi ACPI status information directory7. AUTHOR▲
This manual page was written by Steve Dodd <> and was updated by Thomas Hood.